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Short-Term Investment and the Informational Efficiency of the Market

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Author Info
Vives, Xavier

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Abstract

A dynamic finite-horizon market for a risky asset with a continuum of risk-averse heterogeneously informed investors and a risk-neutral competitive market-making sector is examined. The article analyzes the effect of investors' horizons on the information content of prices. It is shown that short horizons enhance or reduce accumulated price informativeness depending on the temporal pattern of private information arrival. With concentrated arrival of information, short horizons reduce final price informativeness; with diffuse arrival of information, short horizons enhance it. In the process a closed-form solution to the dynamic equilibrium with long-term investors is derived. Article published by Oxford University Press on behalf of the Society for Financial Studies in its journal, The Review of Financial Studies.

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File URL: http://www.jstor.org/fcgi-bin/jstor/listjournal.fcg/08939454
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Publisher Info
Article provided by Oxford University Press for Society for Financial Studies in its journal Review of Financial Studies.

Volume (Year): 8 (1995)
Issue (Month): 1 ()
Pages: 125-60
Download reference. The following formats are available: HTML (with abstract), plain text (with abstract), BibTeX, RIS (EndNote, RefMan, ProCite), ReDIF
Handle: RePEc:oup:rfinst:v:8:y:1995:i:1:p:125-60

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Web: http://www4.oup.co.uk/revfin/subinfo/

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(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)
  1. Alexander Gumbel, 1999. "Trading on Short-Term Information," OFRC Working Papers Series 1999fe10, Oxford Financial Research Centre. [Downloadable!]
  2. Giovanni Cespa, 2001. "A Comparison of Stock Market Mechanisms," Economics Working Papers 545, Department of Economics and Business, Universitat Pompeu Fabra, revised Nov 2003. [Downloadable!]
    Other versions:
  3. Craig Holden & Avanidhar Subrahmanyam, 1998. "New Events, Information Acquisition, and Serial Correlation," University of California at Los Angeles, Anderson Graduate School of Management 1115, Anderson Graduate School of Management, UCLA. [Downloadable!]
  4. Alexander Gümbel, 2000. "Myopic Traders, Efficiency and Taxation," OFRC Working Papers Series 2000fe05, Oxford Financial Research Centre. [Downloadable!]
  5. Riccardo Calcagno & Florian Heider, 2004. "Market Based Compensation, Trading And Liquidity," Business Economics Working Papers wb046224, Universidad Carlos III, Departamento de Economía de la Empresa. [Downloadable!]
  6. Philippe Bacchetta & Eric Van Wincoop, 2006. "Can Information Heterogeneity Explain the Exchange Rate Determination Puzzle?," American Economic Review, American Economic Association, vol. 96(3), pages 552-576, June. [Downloadable!]
    Other versions:
  7. Marc-Andreas Muendler, 2005. "Risk Neutral Investors Do Not Acquire Information¤," University of California at San Diego, Economics Working Paper Series 2005-10, Department of Economics, UC San Diego. [Downloadable!]
  8. Giovanni Cespa, 2003. "Giffen Goods and Market Making," CSEF Working Papers 97, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy. [Downloadable!]
    Other versions:
  9. Cespa, Giovanni & Vives, Xavier, 2007. "Dynamic trading and asset prices: Keynes vs. Hayek," IESE Research Papers D/716, IESE Business School. [Downloadable!]
    Other versions:
  10. Riccardo Calcagno & Florian Heider, 2007. "Market based compensation, price informativeness and short-term trading," Working Paper Series 735, European Central Bank. [Downloadable!]
  11. Giovanni Cespa, 2007. "Information Sales and Insider Trading with Long-lived Information," CSEF Working Papers 174, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy. [Downloadable!]
  12. Säfvenblad, Patrik, 1997. "Lead-Lag Effects When Prices Reveal Cross-Security Information," Working Paper Series in Economics and Finance 189, Stockholm School of Economics. [Downloadable!]
  13. Sandro Brusco & Carolina Manzano & Mikel Tapia, 2003. "Price Discovery In The Pre-Opening Period. Theory And Evidence From The Madrid Stock Exchange," Business Economics Working Papers wb035814, Universidad Carlos III, Departamento de Economía de la Empresa. [Downloadable!]
  14. Christophe Chamley, 2005. "Complementarities in Information Acquisition with Short-Term Trades," Boston University - Department of Economics - The Institute for Economic Development Working Papers Series dp-156, Boston University - Department of Economics. [Downloadable!]
  15. Giovanni Cespa, 2000. "Short-term Investment and Equilibrium Multiplicity," Economics Working Papers 520, Department of Economics and Business, Universitat Pompeu Fabra, revised Jun 2002. [Downloadable!]
    Other versions:
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